Home / 19,558.87-29,342.39-6,410.21

Finding the Fourth Proportional to 19,558.87, 29,342.39 and 6,410.21

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Solution

The fourth proportional to 19,558.87, 29,342.39 and 6,410.21 is: 9,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.87 : 29,342.39 = 6,410.21 : x
  2. Step 2: Convert to fraction form
    19,558.87/29,342.39 = 6,410.21/x
  3. Step 3: Cross multiply
    19,558.87x = 29,342.39 × 6,410.21
  4. Step 4: Simplify right side
    19,558.87x = 188,090,703.04
  5. Step 5: Solve for x
    x = 188,090,703.04/19,558.87
  6. Step 6: Final answer
    x = 9,616.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.